Deflection recorder



March 24, 1931. W E, CUMM|NS 1,797,943

DEFLECTION RECORDER Filed Oct. 2l, 1929 3 Sheets-Sheei l March 24 193i. wl E, CUMMlNs v 1,797,943

DEFLEGTION RECORDER Filed Oct. 2l. 1929 3 Sheets-Sheet 2 2l IFTQE. /W/W/ 20M@ im. s?! fi" V VIII/lll March 24, 1931. w, E, CUMMlNs DEFLECTI'ON RECORDE Filed Oct. A2l. 1929 INVENToR. W. E. CUMMVS,

A TTORNE Y.

Patented Mar. 24, 1931 UNITED STATESA PATENT ori-ICE WATER E.v CUMIIINS:L OF SANTA MARIA, CALIFORNIA, ASSIGNOB Oil' ONE-HALF TO RAYMOND F. HOISER, 0F SANTA. MARIA, CALIFORNIA DEFLECTION RECORDER Application tiled October 21, 1929. Serial No. 401,029.

This invention relates to improvements in indicators.

The general object of this invention is. to provide an improved means for determinmg the deflections of bore holes such as oil wells.

Another object of the invention is to provide a device of the class described including improved means for graphically recording the deiections ofl a bore hole.

A further obect of the invention is to provide an indicator as described including a float sustained by mercury and adapted to retain a chart frame in a correct vertical position. 1

Another object of the invention is to provide means for dampingl the swing of thev chart'rame.

Other objects of the invention will be apparent from the following description taken in connection with the accompanying drawingspwherein:

Fig. 1 is an elevation of my improved in-I dicator with the casing in section.

Fig. 2 is a fra entary enlarged central vertical section t rough my improved dev1ce. t

3 is a section taken on line 3-3 of a section taken on line 6-6 of 10 comprises a casing 12 which includes an up per section 13 anda lower Section 14 secured together by screw threaded engagement with a coupling collar 15. The lower end of the ,lower section 14 is closed by a transverse partition 16 and the coupling collar 15 includes a transverse partition 17 which is providedwith a centrall aperture 18. The Aiipper end of the upper secten .13 is closed by a cap 19 which is secured thereto by screw threaded engagement as indicated at 2O and includes a reduced screw threaded shank 21 by which the device is adapted to be secured to a string of drill tubing.

Positioned above the partition 17v I provide a container 22 which Includes a tapered central conduit 23 and is shown as secured-to the partition 17 by a plurality of bolts 24. The container further includes an inwardly projecting upper flange 25 to which a supporting member 27 is secured by bolts 26. Across the top of the container 22 I provide a iiexible diaphragm 28 which may be made of metal and the" outer edge of which is clamped between the container ilange 25 and the sup- 4 Aporting member 27 and the inner edge of which is clam ed between a flange 29 on the conduit 23 an the flange 23 by La plurality of bolts 31.

Within the container 22 I provide a quantity of mercury 32. This mercury I deem of great importance as its use enables great acmercury is adapted to support a ioat member a collar 30 which is secured to' .curacy to be obtained with my device. The

33, the top of which abuts the diaphragm 28.

On the op site side of the dia yhra from the iloat I0 P gm adapted to be secured to the float 33 by a plurality of bolts 35 and nuts 36 which when tightened clamp the diaphragm 28 between the float 33 and the bracket 34. The bracket 34 includes a central h ub 37 having a central aperture 38 therein in which ispositioned a cylindrical tube V39 which is adapted to be retainedin engagement with the bracket by a set screw 40 including a lock nut r.41. The tube 39 extends upward above the bracket and downward through the container conduit 23 and the partition aperture 18 into the lower section 14, where it is provided with a plurality of thin tapering vanes 42.

Adjacent the top of the tube 39 I provid a cap 43 which includes a square aperture 44 and is adapted to be retained in anadjusted position on the tube by a set screw 45 having a lock nut 46 thereon (see Figs. 2 and 5).'-

Positioned in the square aperture 44 I provide a similarly shaped rod 47 which extendsl provide a bracket 34 which downward into the tube 39 and includes a reduced threaded shank 48 at its upper end.

A chart frame indicated generally at 50 is adapted to be secured to the rod 47 by a nut 51 which engages the screw threaded shank 48. As shown the chart frame 50 includes four faces, on each of which are provided slides 52 in which charts 53 are adapted to be removably positioned. p

For lifting the chart frame 50 at a pre determined rate of speed I rovide a clockwork mechanism which is in icated generally at 55 and may be of any desir-ed t'ype. This mechanism is shown as secured to a plate 57 which is secured to a plurality of threaded rods58 by nuts 59 and the rods 58 are secured to an outwardly projecting flange 60 of the member 27 by a plurality of nuts 6l.

The clock mechanism 55 includes a shaft 62 which is positioned in bearings 63 on the plate 57 and has secured thereto a pulley 64 and below the pulley 63 I provide an idler roller 65 which is secured to a shaft 66 positioned in bearings 67. One end of a cable 68 is secured to the pul1ey|64 and the' opposite end thereofis secured intermediate the length of a bar 70 and the intermediate portion of th-e cable 68 is positioned-over the idler roller 65.. Adjacent each end of the bar 68 Isecure other cables 71 which, extend downwardly and are secured to the chart frame adjacent the bottom at' diagonally opposed corners thereof.

For marking on the charts 53 Iprovide a plurality of pens 75 which are supported by flexible members 76 secured to vframes 77 which in turn areremovably secured to the flange 60 of the member 27 by a plurality of bolts 78. When the chart frame 50 moves upwardly the pens 75 are adapted to trace an ink line on their associated charts.

In operation the charts 53 are correctly positioned on the chart fra-me 50 which is then moved to a lowered position as shown in Fig.

2. The clockwork 55 is then started and the device is, connected to a stand of drill tubin by m-eans ofthe threaded shank 21 and then positioned so that one of the chart faces is directly to the north which may be accomplished by a suitable marking on the casing of the device. The device is then lowered into the well and' as each stand of drill tubing is connected on to the preceding `stand the rotary table is locked in position so that the device will not rotate but will at all times retain the correct chart to the north.

As the chart frame moves slowly the pens 75 make a. vertical rline on the charts but should the bore hole deviate from a true verthrough the medium of the bracket 34, the tube 39 and the rod 47 retains the chart frame 50 in a vertical position. As the penstructures are carried by the supporting member 27 the charts 53 m'ove relative thereto which causes the marking -devices at right angles to the tilt to make a mark on their associated charts at an angle to the vertical center line of the charts thus indicating the angles of deviation'of the bore hole.

As each stand of drill tubing is lowered into the well the time and number of feet of drill tubing in the hole is noted and as the chart frame is raised at a predetermined rate of speed by noting at what point on the chart the ink line deviated from a true vertical and comparing it with the time sheet it can be readily asserted at what number of feet the drill hole deviated from a true vertical. Also by noting the inclination of the deviated line the angle of deviation will be determined.

From the foregoing description it will be apparent that I have invented a highly efcient. deflection recorder which can be economically manufactured and which is simple in operation.

Having thus described my invention I claim:

1. In a deflection recorder, a casing, recording means including a member movable laterally and longitudinally relative to the axis of said casing, a sealed fluid container in said casing, a iloat in said container and means whereby said float causes lateral movement of said member relative to the casing.

2. In a device'of the class described, a hol low casing, a container in said casing, aqualitity of mercury in said container, a iloat in said container, a chart frame subject lto the movements of said fioat and marking device, said marking device being supported independent of said float and adjacent tov said frame.

3. In a device of the class described, a holg low casing, a container in said casing, a quantity of mercury in said container, a float in said container, a bracket supported by said float, a chart frame movable relative to said bracket, said frame including means for retaining a" chart thereon, means to raise said chart frame and a marking device, adjacent to said frame.

4. In a device of the class described, a hollow casing, a container in said casing, a quantity of mercury in said container, a float in said container, ,a bracket supported by said float, a tube means whereby 'said bracket supports said tube, a rod positioned in said tube, a chart frame secured to said rod, said frame including means for retaining a chart thereon, means to raisesaid chart frame, and marking device adjacent to said frame, said marking device being resi liently supported.

5. In a deflection recorder, a case, a recording device including a chart member and a lill) arcanes plurality of markers in said case, means 'to cause continuous movement in one direction of said chart member relative to said markers, and float operated means to cause relative movement between said chart member and said markers in another directionn 6. In a 'deflection recorder, a hollow casing, a fluid container in said casing, a ioat in said container, a chart holding member, means to support said chart holding member whereby it is subject to the motions of said float, a marking device adjacent to said chart holding member, and means to move said chart relative to said marking device and ingependently of the movement caused by said oat.

7. In a deilection recorder, a casing, a support in said casing and rigid with respect to said casing, a chart frame, means to mount said chart frame for movement in the casing along the normal longitudinal axis thereof, means enabling said chart frame to shift laterally relative to the longitudinal axis of said frame, means to move, said frame along the longitudinal axis, means tending to prevent a shift of said frame when the anis of the casing is shifted and means to record on a chart on the frame the movement of the casin relative to the frame.

' 8. n a device of the class described, a hollow casing including a container a chart frame in said container, said frame including four faces, means for retaining a chart thereon, a plurality of marking devices, one for each face of said chart frame, and means to move said frame relative to said working/devices when said casing is tilted.

9. In a device of the class described, a hollow casing, said casing including a container, a quantity of mercury in said container, 'a float in said container, means connecting said frame and float whereby said frame is subject to movement yof said iioat, means to continuously move said frame and a plurality of marking devices, for said chart frame, said markingV devices being supported by means secured to said casing.

10. In a device of the class described, a hol low casing, a container secured to said casing, a quantity of mercury in said container, a float in said container, a chart frame, means connecting said frame and said iioat, said frame including four faces, means for re- -taixing a chart thereon, and a plurality of marking devices, one for each face of said chart frame, said marking devices being supported adjacent to said frame.

1'1. In a device of the class described, a hollow casing, atransverse partition in s aid casing, a container secured to said casing, the top of said container belng open, a quantity of mercury'in said container, a oat 1n said container, a bracket secured to said float, said bracket supporting a hollow tube, a cap de- Y tachably secured to said tube, a rod movable through said cap, a chart frame secured to said rod, said frame including faces and means for retaining a chart thereon, means whereby when said clockwork operates said chart frame will be raised and a plurality of'm quantity of mercury in said container, a oatin said container, a bracket secured t0 said float, said bracket supporting a, tube, a cap y detachably secured to said tube, an aperture in said cap, positioned in said aperture,a'

chart frame secured to said rod, said frame including four faces and means on each face for retaining a chart thereon, a. clockwork and a pulley, means to support said clockworks and said pulley, a cable. one end of said cable being secured to said pulley and the opposite end thereof being connected'to said chart frame whereby when said clockwork operates said chart frame willbe raised and a plurality of marking devices, one for each face of said chart frame.

13. In a device of the class Avdescribed, a hollow casing, a transverse partition in said casing, a container secured to` said' casing, the top of said container being open, a central conduit in said container, a quantity. of mercury in said-container, a float in said container, a exible diaphragm across the opening of said container above said float and secured 'to said conduit and the sides of said container, a bracket secured to said fioat, said diaphragmV being clamped between said float and said bracket, said bracket supporting a hollow tube, said tube extending through said container conduit, the portion of said casing below said transverse partition being filled withaa iiuid, a cap on said tube, an aperture in said cap, a rod positioned in said' aperture, a chart frame secured to said rod, said frame including four faces and means on each facefor retaining a chart thereon, a support secured to said container and asupporting frame secured to said support, a clockwork and a pulley supported by said supporting frame above said chart frame, said clock works being adapted to rotate said pulley,

an idler pulley on said supporting frame,"a cable, a bar, one end of said cable being secured to said pulley, the opposite end there ofthe class described, a hltainer, a exible diaphragm extending across I the opening of said container'above said float and secured to said conduit and the sides of said container, a bracket secured to said float,

said diaphragm being clamp'ed between said Y loat and said bracket, a tube supported by said bracket, said tube extending through said container conduit, a plurality of vanes on said tubeybelow said transverse partition,

the portion of said casing below said transverse partition containing a iuid, a cap de tachably secured to said tube, a rectangular aperture in said cap, a rectangular rod positioned in said aperture, a chart frame secured to said rod, said frame including four faces,

means for retaining a chart thereon, a sup= port secured to said container and a supporting frame secured to said support, a clockwork and a pulley supported by said supporting frame above said chart frame,sa1d clockwork being adapted to rotate said pulley, an idler pulley on said supporting frame, a cable, a bar, one end of said cable being secured to said pulley, said cable passingover said idler pulley and the opposite end thereof being secured to said bar adjacent the center thereof, other cables secured adjacent each end of said bar, said other cables being secured to two opposite lower corners of said lchart frame, whereby when said clockwork operates said chart frame will be raised, a

pluralityof marking devices, one for each face of said chart frame, said marking devices being supported by resilient members secured to said support. v

In testimony whereof, I hereunto aix my signature. l

WALTER E. CUMMINS. 

